Home / 1,242,214.78-1,714,317.21-698,521.72

Finding the Fourth Proportional to 1,242,214.78, 1,714,317.21 and 698,521.72

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Solution

The fourth proportional to 1,242,214.78, 1,714,317.21 and 698,521.72 is: 963,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,214.78 : 1,714,317.21 = 698,521.72 : x
  2. Step 2: Convert to fraction form
    1,242,214.78/1,714,317.21 = 698,521.72/x
  3. Step 3: Cross multiply
    1,242,214.78x = 1,714,317.21 × 698,521.72
  4. Step 4: Simplify right side
    1,242,214.78x = 1,197,487,806,154.80
  5. Step 5: Solve for x
    x = 1,197,487,806,154.80/1,242,214.78
  6. Step 6: Final answer
    x = 963,994.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.